<!DOCTYPE>
<head>
  <style>
    body {
      border:  0px;
      margin:  0px;
      padding: 0px;
    }
    div {
      width:   100px;
      height:  100px;
      margin:  50px;

      /* This is deliberately an image with a non-neutral inherent orientation to */
      /* ensure that the inherent orientation is irrelevant. */
      border-style: solid;
      border-width: 20px;
      border-image: url(image-exif-90-deg-flip.jpg) 27 repeat;
    }
  </style>
</head>
<body>
  <div></div>

  <script>
    var orientation = location.search.substring(1).split("&");
    var angle = orientation[0];
    var flip = orientation[1] == "flip" ? true : false;

    // Construct a style. "from-image" is special-cased.
    var style;
    if (angle == "from-image") {
      style = "div { image-orientation: from-image; }\n";
    } else {
      style = "div { image-orientation: "
            + angle + "deg"
            + (flip ? " flip" : "")
            + "; }\n";
    }

    // Apply the style to the document.
    var sheet = document.createElement('style');
    sheet.innerHTML = style;
    document.body.appendChild(sheet);
  </script>
</body>
